12-letter words containing b, i, r, m
- magic number — the atomic number or neutron number of an exceptionally stable nuclide.
- main bearing — one of the bearings in an internal combustion engine upon which the crankshaft rotates
- malibu board — a lightweight, fiberglass-covered surfboard, usually about 10 feet (3 meters) long with a rounded nose and tail and a convex bottom for increased maneuverability.
- mare imbrium — (Sea of Showers) a dark plain in the second quadrant of the face of the moon: about 340,000 sq. mi. (880,000 sq. km).
- mare liberum — a body of navigable water to which all nations have unrestricted access.
- marimbaphone — (obsolete, music) A kind of percussion idiophone, like the marimba but with steel keys instead of wood, developed in early 20th century United States.
- marine borer — any mollusc or crustacean that lives usually in warm seas and destroys wood by boring into and eating it. The gribble and shipworm are the best known since they penetrate any wood in favourable water
- marriage bed — the bed in which a married couple sleep together
- marriageable — suitable or attractive for marriage: The handsome and successful young man was considered eminently marriageable.
- masterbating — Misspelling of masturbating.
- masturbating — Present participle of masturbate.
- masturbation — the stimulation or manipulation of one's own genitals, especially to orgasm; sexual self-gratification.
- memorability — worth remembering; notable: a memorable speech.
- mesabi range — a range of low hills in NE Minnesota, noted for major iron-ore deposits mined by the open-pit method.
- metabotropic — Describing a neurotransmitter or cell receptor whose action is mediated by metabolic functions (e.g. enzyme activation).
- metacinnabar — a polymorph of cinnabar, black mercuric sulfide, HgS.
- mib variable — A managed object that is defined in a Management Information Base (MIB). The object is defined by a textual name and a corresponding object identifier, a syntax, an access mode, a status, and a description of the semantics of the managed object. The MIB Variable contains pertinent management information that is accessible as defined by the access mode.
- michel baron — Michel [mee-shel] /miˈʃɛl/ (Show IPA), (Michel Boyron) 1653–1729, French actor.
- microbalance — a balance for weighing minute quantities of material.
- microbicidal — a substance or preparation for killing microbes.
- microbiology — study of microorganisms
- microbiomics — the scientific study of the microbiome.
- microblogger — to post very short entries, as a brief update or a photo, on a blog or social media website: A lot of people were microblogging during the crisis.
- microbrewery — a brewery producing less than 15,000 barrels per year and usually concentrating on exotic or high quality beer.
- microbrewing — Small-scale commercial brewing, as carried out in a microbrewery.
- microbubbles — a microscopic, gas-filled bubble, used especially in medicine to image blood flow, dissolve blood clots, etc.
- microfibrils — Plural form of microfibril.
- microfibrous — Composed of microscopic fibres.
- microhabitat — an extremely localized, small-scale environment, as a tree stump or a dead animal.
- micropublish — to publish on microfilm or microfiche.
- microtubular — Of or pertaining to microtubules.
- microtubules — Plural form of microtubule.
- microwavable — Of food, that is suitable for cooking in a microwave oven.
- middlebrowed — midway between highbrow and lowbrow
- middlebuster — Southern U.S. lister1 (def 1).
- millilambert — a unit of luminance equal to one thousandth of a lambert. Abbreviation: mL.
- misattribute — to regard as resulting from a specified cause; consider as caused by something indicated (usually followed by to): She attributed his bad temper to ill health.
- misbehaviour — (British) alternative spelling of misbehavior.
- miscalibrate — To calibrate poorly or wrongly.
- miserabilism — Gloomy pessimism or negativity.
- miserabilist — One who is unhappy, or extols being miserable as a virtue; a philosopher of pessimism.
- misprescribe — to lay down, in writing or otherwise, as a rule or a course of action to be followed; appoint, ordain, or enjoin.
- mixed number — a number consisting of a whole number and a fraction or decimal, as 4½ or 4.5.
- mixobarbaric — relating to a people who have both Greek and non-Greek ancestry
- mob hysteria — the heightened and extreme emotions that can be experienced by people in a large crowd
- mobius strip — a continuous, one-sided surface formed by twisting one end of a rectangular strip through 180° about the longitudinal axis of the strip and attaching this end to the other.
- mockingbirds — Plural form of mockingbird.
- mockingboard — (hardware) A sound and speech board for the Apple II computer, on sale in 1978. See also zxnrbl.
- montebrasite — a mineral, lithium aluminum hydroxyl phosphate, LiAlPO 4 (OH), isomorphous with amblygonite, used as an ore of lithium.
- mooring buoy — a buoy to which ships or boats can be moored.